Tag: biotechnology

Quizzes (4) Questions (393)

Questions Related to biotechnology

Multiple choice biology immunity monoclonal antibodies antibody production and vaccination biotechnology

Choose the correct answers from the alternatives given.
Monoclonal antibodies are

  1. produced by clones formed from memory cells

  2. used to produce large quantities of interferon

  3. produced by cultures of hybridoma cells

  4. produced by clones of 1-cells fused with tumor cells
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Monoclonal antibodies are the antibodies that are made by identical immune cells that are all clones of a unique parent cell. In contrast, polyclonal antibodies bind to multiple epitopes and are usually made by several different plasma cells.

So, the correct option is 'Produced by cultures of hybridoma cells'.

Multiple choice biology cell biology and biotechnology agritourism biotechnology commercial applications of biotechnology

Important objective of biotechnology in agriculture section is

  1. To produce pest resistant varieties of plant

  2. To increase the nitrogen content

  3. To decrease the seed number

  4. To increase the plant weight
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Biotechnology is being used to address problems in all areas of agricultural production and processing. This includes plant breeding to raise and stabilize yields; to improve resistance to pests, diseases and abiotic stresses such as drought and cold; and to enhance the nutritional content of foods. 

Multiple choice biology cell biology and biotechnology agritourism biotechnology commercial applications of biotechnology

Genetic modification (GM) has been used to

  1. Create tailor made plants

  2. Supply alternative resources to industries

  3. Enhanced nutritional value of food

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Genetic modification by the introduction of the recombinant DNA has resulted in the creation of tailor-made plants that can be pest resistant, drought resistant, herbicide resistant, etc. It has supplied alternative to dairy farm industries by modifying plants and animals. It has also resulted in the creation of biofortified crops that have enhanced nutritional values of food.

Hence, the correct answer is 'All of the above'

Multiple choice biology cell biology and biotechnology agritourism biotechnology commercial applications of biotechnology

What is the most important factor for the growth of pests in stored grains?

  1. The moisture of grains

  2. The temperature of grains

  3. The moisture and temperature of grains

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

High moisture content in stored grains is the primary factor that promotes the growth of fungi and pests, leading to spoilage.

Multiple choice biology cell biology and biotechnology agritourism biotechnology commercial applications of biotechnology
Multiple-choice Question

Find out the correct sentence:

  1. Hybridisation means crossing between genetically dissimilar plants

  2. Cross between two varieties is called as interspecific hybridisation

  3. Introducing genes of desired character into a plant gives genetically modified crop

  4. Cross between plants of two species is called intervarietal hybridisation
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Explanation

Hybridisation is the interbreeding between two genetically different organisms from the same or different species. When such interbreeding is between different species it is known as interspecific hybridisation. Genetically modified crops are those that are genetically engineered by introducing the genes of the desired trait (character) into the plants. When the cross is between two different varieties of the same species then it is known as intervarietal hybridisation. So, the correct options are 'Hybridisation means crossing between genetically dissimilar plants and Introducing genes of the desired character into a plant gives genetically modified crop'.

Multiple choice biology cell biology and biotechnology agritourism biotechnology commercial applications of biotechnology

The application of biotechnology in agricultural field includes 

  1. Detection of infection caused by pathogen

  2. Maintaining quality control of various dairy products

  3. Monitoring biological activity in livestock

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Biotechnology is applied across all these areas: detecting pathogens, ensuring quality in dairy, and monitoring livestock health.

Multiple choice biology cell biology and biotechnology agritourism biotechnology commercial applications of biotechnology

Agrochemicals are

  1. Chemical products of agriculture

  2. Synthetic chemicals employed in agriculture

  3. Chemicals used as pesticides

  4. Chemicals used as fertilizers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Agrochemicals are chemical products used in agriculture to improve crop yield or protect plants. Option B is the most accurate definition as it encompasses synthetic substances like fertilizers and pesticides.